Although Sharpie brand permanent markers are relatively inexpensive, it can be a pain to go out and get a new one if the marker happens to dry up in the middle of writing something and you need to finish your task. Sharpie markers cannot be refreshed indefinitely, but you can stretch the ink a littl...

Add orange peels (or any citrus peel) to a quart of white vinegar in a closed container and let it set for two weeks. Combine citrus/vinegar solution half/half with water and use for cleaning. Works on floors, tile, fixtures, etc. Smells good and is tough on scum! Best of all there are no chemicals.